Revert of Plumb decoded video pixel format from GPU process to renderer.

content/renderer/pepper/pepper_video_decoder_host.h

 // Copyright (c) 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_PEPPER_PEPPER_VIDEO_DECODER_HOST_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_VIDEO_DECODER_HOST_H_
 
 #include <stdint.h>
 
 #include <list>
@@ skipping 55 matching lines @@
 
   friend class VideoDecoderShim;
 
   // ResourceHost implementation.
   int32_t OnResourceMessageReceived(
       const IPC::Message& msg,
       ppapi::host::HostMessageContext* context) override;
 
   // media::VideoDecodeAccelerator::Client implementation.
   void ProvidePictureBuffers(uint32_t requested_num_of_buffers,
-                             media::VideoPixelFormat format,
                              uint32_t textures_per_buffer,
                              const gfx::Size& dimensions,
                              uint32_t texture_target) override;
   void DismissPictureBuffer(int32_t picture_buffer_id) override;
   void PictureReady(const media::Picture& picture) override;
   void NotifyEndOfBitstreamBuffer(int32_t bitstream_buffer_id) override;
   void NotifyFlushDone() override;
   void NotifyResetDone() override;
   void NotifyError(media::VideoDecodeAccelerator::Error error) override;
 
@@ skipping 60 matching lines @@
   ppapi::host::ReplyMessageContext reset_reply_context_;
 
   bool initialized_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(PepperVideoDecoderHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_VIDEO_DECODER_HOST_H_